Kirchhoff’s current law is based on the
(A) equation of continuity
(B) conservation of charge
(C) conservation of energy
(D) conservation of momentum

Kirchhoff’s Current Law (KCL) states that:

The algebraic sum of currents entering a junction is zero, or equivalently, the total current entering a node equals the total current leaving the node.

This law is fundamentally based on the principle that electric charge is conserved — charge cannot accumulate at a junction.

✅ Correct Answer: (B) conservation of charge

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